Function used in mission creation.

Objective: The player has to complete the mission list.

name: Objective name, only used by the mission designer.

hide_obj (Boolean): Prevent the step to be displayed in the mission log.

mission_names: Mission names with the specific mission objective texts. The name can be followed by a space and a number representing the number of times this mission needs to be done (useful for guild missions to specify the number of members needed to complete the mission)

overload_objective: Allow to set a specific a description of the mission. See text guidelines for the formatting requirements.

roleplay_objective (Optional): Allow to add a description to the step.